QQQX vs. BSTZ

Last updated Jun 5, 2026

QQQX (Nuveen NASDAQ 100 Dynamic Overwrite Fund) is Large Cap Growth Equities fund tracking the Nasdaq 100 Index, while BSTZ (BlackRock Science and Technology Trust II) is a stock. Over the past 5 years, QQQX returned 9.44%/yr vs 6.41%/yr for BSTZ. A 0.70 correlation means they provide meaningful diversification when combined.

Performance

QQQX vs. BSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen NASDAQ 100 Dynamic Overwrite Fund (QQQX) and BlackRock Science and Technology Trust II (BSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, QQQX achieves a 11.14% return, which is significantly lower than BSTZ's 40.46% return.

QQQX

• 1D: -0.61%
• 1M: 2.18%
• YTD: 11.14%
• 6M: 14.21%
• 1Y: 32.80%
• 3Y*: 15.49%
• 5Y*: 9.44%
• 10Y*: 13.33%

BSTZ

• 1D: -0.74%
• 1M: 12.80%
• YTD: 40.46%
• 6M: 43.98%
• 1Y: 76.68%
• 3Y*: 33.60%
• 5Y*: 6.41%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

QQQX vs. BSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
QQQX Nuveen NASDAQ 100 Dynamic Overwrite Fund	11.14%	14.87%	25.61%	21.68%	-27.39%	25.32%	15.75%	13.57%
BSTZ BlackRock Science and Technology Trust II	40.46%	25.06%	37.49%	18.72%	-55.34%	12.71%	87.46%	4.20%

Correlation

The correlation between QQQX and BSTZ is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.68
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.72
Correlation (All Time) Calculated using the full available price history since Jun 27, 2019	0.70

The correlation between QQQX and BSTZ has been stable across timeframes, ranging from 0.68 to 0.72 - a consistent structural relationship.

Fundamentals

Market Cap QQQX : $1.39B BSTZ : $2.11B
EPS QQQX : $7.57 BSTZ : $8.53
PE Ratio QQQX : 3.75 BSTZ : 3.60
PEG Ratio QQQX : 0.43 BSTZ : 0.40
PS Ratio QQQX : 8.63 BSTZ : 5.84
PB Ratio QQQX : 1.01 BSTZ : 1.23
Total Revenue (TTM) QQQX : $160.60M BSTZ : $361.49M
Gross Profit (TTM) QQQX : $152.14M BSTZ : $169.67M
EBITDA (TTM) QQQX : $369.75M BSTZ : $586.67M

Return for Risk

QQQX vs. BSTZ — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

QQQX

QQQX Risk / Return Rank: 68
QQQX Sharpe Ratio Rank: 57
QQQX Sortino Ratio Rank: 60
QQQX Omega Ratio Rank: 57
QQQX Calmar Ratio Rank: 79
QQQX Martin Ratio Rank: 88

BSTZ

BSTZ Risk / Return Rank: 96
BSTZ Sharpe Ratio Rank: 96
BSTZ Sortino Ratio Rank: 95
BSTZ Omega Ratio Rank: 95
BSTZ Calmar Ratio Rank: 96
BSTZ Martin Ratio Rank: 97

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

QQQX vs. BSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen NASDAQ 100 Dynamic Overwrite Fund (QQQX) and BlackRock Science and Technology Trust II (BSTZ). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	QQQX	BSTZ	Difference
Sharpe ratio: Return per unit of total volatility	2.24	3.39	-1.15
Sortino ratio: Return per unit of downside risk	3.25	4.09	-0.84
Omega ratio: Gain probability vs. loss probability	1.42	1.56	-0.14
Calmar ratio: Return relative to maximum drawdown	3.61	8.32	-4.71
Martin ratio: Return relative to average drawdown	16.87	26.32	-9.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

QQQX vs. BSTZ - Sharpe Ratio Comparison

The current QQQX Sharpe Ratio is 2.24, which is lower than the BSTZ Sharpe Ratio of 3.39. The chart below compares the historical Sharpe Ratios of QQQX and BSTZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	QQQX	BSTZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.24	3.39	-1.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.48	0.23	+0.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.54	-0.06

Drawdowns

QQQX vs. BSTZ - Drawdown Comparison

The maximum QQQX drawdown since its inception was -57.25%, smaller than the maximum BSTZ drawdown of -60.51%. Use the drawdown chart below to compare losses from any high point for QQQX and BSTZ.

Drawdown Indicators

	QQQX	BSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-57.25%	-60.51%	+3.26%
Max Drawdown (1Y) Largest decline over 1 year	-9.11%	-9.26%	+0.15%
Max Drawdown (3Y) Largest decline over 3 years	-22.80%	-25.31%	+2.51%
Max Drawdown (5Y) Largest decline over 5 years	-29.33%	-60.51%	+31.18%
Max Drawdown (10Y) Largest decline over 10 years	-35.96%	—	—
Current Drawdown Current decline from peak	-2.36%	-2.76%	+0.40%
Average Drawdown Average peak-to-trough decline	-8.02%	-27.55%	+19.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	2.92%	-0.97%

Volatility

QQQX vs. BSTZ - Volatility Comparison

The current volatility for Nuveen NASDAQ 100 Dynamic Overwrite Fund (QQQX) is 4.31%, while BlackRock Science and Technology Trust II (BSTZ) has a volatility of 9.91%. This indicates that QQQX experiences smaller price fluctuations and is considered to be less risky than BSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QQQX	BSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.31%	9.91%	-5.60%
Volatility (6M) Calculated over the trailing 6-month period	11.58%	19.26%	-7.68%
Volatility (1Y) Calculated over the trailing 1-year period	14.71%	22.75%	-8.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.82%	27.51%	-7.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.06%	30.18%	-9.12%

Dividends

QQQX vs. BSTZ - Dividend Comparison

QQQX's dividend yield for the trailing twelve months is around 7.40%, less than BSTZ's 8.22% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSTZ BlackRock Science and Technology Trust II	8.22%	12.46%	9.75%	10.90%	14.73%	5.14%	3.42%	2.44%	0.00%	0.00%	0.00%	0.00%
QQQX Nuveen NASDAQ 100 Dynamic Overwrite Fund	7.40%	7.85%	6.73%	7.26%	9.66%	5.85%	6.00%	6.49%	8.40%	5.95%	7.54%	7.23%

Frequently Asked Questions

Can I hold both QQQX and BSTZ in my portfolio?

QQQX and BSTZ have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QQQX or BSTZ?

BSTZ has higher volatility (9.91%) compared to QQQX (4.31%). In terms of maximum drawdown, QQQX dropped -57.25% vs BSTZ's -60.51%.

Which has better risk-adjusted returns?

BSTZ currently has the higher Sharpe Ratio (3.39 vs 2.24), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.